<template>
    <div class="mui-numbox" data-numbox-min='1'>
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" type="number" :value="initcount" @change="countChanged" ref="numbox" readonly/>
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
</template>
<script>
import mui from "../../lib/mui/js/mui.min.js"
export default {
    mounted(){//加载完成的生命周期
        //初始化数字选择框
        mui(".mui-numbox").numbox()
    },
    methods: {
        countChanged(){
            //数量变了，每当数量改变，将最新的数据同步到购物车的 store中，覆盖原有数据
            this.$store.commit("updateGoodsInfo",{id:this.goodsid,count:this.$refs.numbox.value})
        }
    },
    props:['initcount','goodsid']
}
</script>
<style lang="less" scoped>
.mui-numbox{
    height:20px;
    width:64px;
    padding:0 20px;
    margin:0 2px;
    button{
        width:20px;
    }
}
</style>